https://github.com/0xEsperance/CTF-Writeups/blob/main/Lexington%20Informatics%20Tournament%20CTF%202022/rev/addition.md

Original writeup (https://github.com/0xEsperance/CTF-Writeups/blob/main/Lexington%20Informatics%20Tournament%20CTF%202022/rev/addition.md).